Examlex
Discuss the different reasons why people (particularly teens)have sex for the first time.
Blastocyst
The mammalian blastula. See blastula.
Fertility Inducing Drugs
Medications used to stimulate ovulation or regulate hormone imbalances to improve the chances of conception.
Chorion
An extraembryonic membrane in reptiles, birds, and mammals that forms an outer cover around the embryo and in mammals contributes to the formation of the placenta.
Gas Exchange
The biological process where organisms transfer gases (like oxygen and carbon dioxide) with their surroundings, essential for respiration and photosynthesis.
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